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Esashi East Outer Breakwater Lighthouse

Iso G 4s🇯🇵Western Hokkaidō, JPOperational

Location & Light Range

About Esashi East Outer Breakwater Lighthouse

This concrete tower stands 15 meters tall, with its light positioned 13 meters above sea level. The structure is round and painted red. It emits a green light with a flash characteristic on a 2-second cycle. This light is visible for 7 nautical miles. It is located at the end of a breakwater.

Light & Optic

Characteristic Signature
Iso G 4s
Flash Type
Isophase
Light Color
Green
Flash Count
1 flash
Interval
4s
Raw Code
Fl
Focal Height
13m
Geographic Range
7NM

Location

City
Western Hokkaidō
Country
🇯🇵JP
Latitude
41.8736°
Longitude
140.1244°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
15m
Tower Shape
round
Tower Color
red
Material
concrete

Structure: White tower; 36

References & Identifiers

Admiralty No.
M7028.4
NGA No.
1044
OpenStreetMap
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Frequently Asked Questions

How do mariners identify Esashi East Outer Breakwater Lighthouse at night?+
Esashi East Outer Breakwater displays the characteristic Iso G 4s — 1 green flash every 4 seconds. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area. The green color may indicate a specific sector or warning zone.
Which ports and harbors does Esashi East Outer Breakwater Lighthouse guide vessels into?+
Esashi East Outer Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Esashi/Hiyama at 0.3 NM to the SSW. Other ports served include Motomachi (5.9 NM N), Shizuura (23.4 NM SSW), Fukushima, Hokkaido (24.5 NM SSE), Fukushima (hokkaido) (24.6 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Esashi East Outer Breakwater Lighthouse still active and maintained?+
Yes, Esashi East Outer Breakwater Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
What shipping routes pass near Esashi East Outer Breakwater Lighthouse?+
Esashi East Outer Breakwater Lighthouse is located within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Esashi East Outer Breakwater Lighthouse?+
You can track vessels near Esashi East Outer Breakwater Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.